package com.itheima.reggie.common;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;

/**
 * @author 深蓝色的橘子
 * @create 2023-04-23 20:13
 */


/**
 *自定义元数据对象处理器
 */


@Component
@Slf4j
public class MyMetaObjecthandler implements MetaObjectHandler {
    /**
     * 插入操作的自动填充
     * @param metaObject
     */
    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("公共字段自动填充   [insert]。。。。");
        log.info(metaObject.toString());
        //开始自动填充
        metaObject.setValue("createTime", LocalDateTime.now());
        metaObject.setValue("updateTime",LocalDateTime.now());
        metaObject.setValue("createUser",BaseContext.getCurrentId());//跳转进行方法的溯源
        metaObject.setValue("updateUser",BaseContext.getCurrentId());
    }

    /**
     * 更新操作的自动填充
     * @param metaObject
     */
    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("公共字段自动填充   [update]。。。。");
        log.info(metaObject.toString());
        //获取当前线程id
        Long id = Thread.currentThread().getId();
        log.info("[字段填充阶段] 线程id为：{}",id);


        metaObject.setValue("updateTime",LocalDateTime.now());
        metaObject.setValue("updateUser",BaseContext.getCurrentId());

    }
}
